Home / 714,975.95-986,426.76-404,836.23

Finding the Fourth Proportional to 714,975.95, 986,426.76 and 404,836.23

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Solution

The fourth proportional to 714,975.95, 986,426.76 and 404,836.23 is: 558,538.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    714,975.95 : 986,426.76 = 404,836.23 : x
  2. Step 2: Convert to fraction form
    714,975.95/986,426.76 = 404,836.23/x
  3. Step 3: Cross multiply
    714,975.95x = 986,426.76 × 404,836.23
  4. Step 4: Simplify right side
    714,975.95x = 399,341,288,080.90
  5. Step 5: Solve for x
    x = 399,341,288,080.90/714,975.95
  6. Step 6: Final answer
    x = 558,538.07

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.